org.apache.openjpa.persistence.EntityManagerFactoryValue Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.persistence;
import org.apache.openjpa.conf.OpenJPAConfiguration;
import org.apache.openjpa.kernel.BrokerFactory;
import org.apache.openjpa.lib.conf.PluginValue;
/**
* Plugin type used to represent the {@link EntityManagerFactory}.
*
* @since 0.4.1
* @nojavadoc
*/
public class EntityManagerFactoryValue
extends PluginValue {
/**
* Configuration property key.
*/
public static final String KEY = "EntityManagerFactory";
public static final String[] ALIASES = {
"default", EntityManagerFactoryImpl.class.getName(),
};
/**
* Create a new factory of the configured type.
*/
public static OpenJPAEntityManagerFactory newFactory(BrokerFactory bf) {
OpenJPAConfiguration conf = bf.getConfiguration();
PluginValue val = (PluginValue) conf.getValue(KEY);
if (val == null)
return null;
EntityManagerFactoryImpl emf = (EntityManagerFactoryImpl) val.
instantiate(EntityManagerFactoryImpl.class, conf, true);
emf.setBrokerFactory(bf);
return emf;
}
public EntityManagerFactoryValue() {
super(KEY, false);
setAliases(ALIASES);
setDefault(ALIASES[0]);
setClassName(ALIASES[1]);
setScope(getClass());
}
}